CN104703767A - Method for producing honeycomb structure and sealing jig for green honeycomb moulded article - Google Patents

Method for producing honeycomb structure and sealing jig for green honeycomb moulded article Download PDF

Info

Publication number
CN104703767A
CN104703767A CN201380053969.9A CN201380053969A CN104703767A CN 104703767 A CN104703767 A CN 104703767A CN 201380053969 A CN201380053969 A CN 201380053969A CN 104703767 A CN104703767 A CN 104703767A
Authority
CN
China
Prior art keywords
closed
hole
pyramid
projection
base portion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201380053969.9A
Other languages
Chinese (zh)
Inventor
鱼江康辅
小森照夫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Publication of CN104703767A publication Critical patent/CN104703767A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/003—Apparatus or processes for treating or working the shaped or preshaped articles the shaping of preshaped articles, e.g. by bending
    • B28B11/006—Making hollow articles or partly closed articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0001—Making filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2418—Honeycomb filters
    • B01D46/2451—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure
    • B01D46/247—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure of the cells
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2418—Honeycomb filters
    • B01D46/2451—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure
    • B01D46/2476—Monolithic structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2418—Honeycomb filters
    • B01D46/2451—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure
    • B01D46/2486—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure characterised by the shapes or configurations
    • B01D46/2488—Triangular
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2418—Honeycomb filters
    • B01D46/2451—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure
    • B01D46/2486—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure characterised by the shapes or configurations
    • B01D46/249—Quadrangular e.g. square or diamond
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2418—Honeycomb filters
    • B01D46/2451—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure
    • B01D46/2486—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure characterised by the shapes or configurations
    • B01D46/2492—Hexagonal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/022—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
    • F01N3/0222—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous the structure being monolithic, e.g. honeycombs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • F01N3/2825—Ceramics
    • F01N3/2828—Ceramic multi-channel monoliths, e.g. honeycombs
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Filtering Materials (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)

Abstract

A sealing jig for a green honeycomb moulded article, said sealing jig comprising sealing protrusions which are arranged in a position corresponding to a regular hexagonal cell, and which, by being inserted into the regular hexagonal cell, seal by welding partition walls to one another. The sealing protrusions have: a conical-shaped tip end that forms a conical shape; and a triangular pyramid-shaped base that forms a truncated triangular pyramid shape having a larger apex angle than the conical-shaped tip end. The conical-shaped tip end forms the conical shape having an acute apex angle, and therefore is easy to insert into the regular hexagonal cell, even if the position of the regular hexagonal cell is out of alignment. The triangular pyramid-shaped base forms the truncated triangular pyramid shape having the large apex angle, and therefore can more easily press and enlarge the partition walls, and weld the partition walls to one another.

Description

For the closed fixture of original cellular formed body and the manufacture method of honeycomb structured body
Technical field
Embodiments of the present invention relate to a kind of for the closed fixture of original cellular formed body and a kind of manufacture method of honeycomb structured body, and relate to a kind of closed fixture of the original cellular formed body for becoming honeycomb structured body by calcining and a kind of manufacture method of honeycomb structured body.
Background technology
In the prior art, the such as known ceramic honeycomb structural body with multiple through hole, wherein multiple through hole has multi-sided cross-sectional shape.Honeycomb structured body is in middle uses such as diesel particulate filters.Honeycomb structured body manufactures like this: utilize extrusion method etc. by ceramic raw material powder forming to prepare original cellular formed body, original cellular formed body is cut into the length with expectation, closed original cellular formed body, and calcines original cellular formed body.Such as, as the method for closed original cellular formed body, as disclosed in patent document 1, propose a kind of method utilizing closed pressing fixture.The pressing fixture closed disclosed in patent document 1 has dials shape, they multiple pins comprising unit heater and give prominence to from unit heater, and multiple pin can be heated by unit heater.In addition, multiple pin is by having the straight portion of square cross-sectional shaped and being formed in the end of straight portion and the terminal part with pyramidal shape is formed.In addition, under the state that multiple pin is heated by unit heater, multiple pin is inserted into make thru-hole distortion in the through hole of original cellular formed body, thus closes through hole.
Citing document list
Patent document
Patent document 1: Japanese Unexamined Patent Application Publication document No.2004-19498.
Summary of the invention
Technical problem
But in the method that patent document 1 describes, when the position of the through hole of original cellular formed body offsets from normal position, inserting fixture may be difficult in some cases, and the efficiency thus closing step may decline.
Embodiments of the present invention consider the problems referred to above and complete, and its object is to provide a kind of for the closed fixture of original cellular formed body and a kind of manufacture method of honeycomb structured body, wherein easily be inserted in through hole, and original cellular formed body can be closed in a relatively efficient manner.
The technical scheme of dealing with problems
According to the embodiment of the present invention, provide a kind of closed fixture for original cellular formed body, by the end face opening of the separate multiple through holes of partition wall at cylinder in described honeycomb formed article, and honeycomb formed article is when being become honeycomb structured body by during calcining, and in this honeycomb structured body, multiple hole is at the end face opening of cylinder.Closed fixture comprises: multiple closed projection, be configured in the position of the part corresponding to multiple through hole, and be inserted in a part for through hole, so that partition wall is fused with one another so that closed through hole, wherein each closed projection comprises: conical end portion, be positioned at the terminal part of closed projection and there is cone shape, and pyramid base portion, be positioned at the base portion of closed projection, and there is truncated pyramid shape, this truncated pyramid shape obtains by removing the pyramid similarly reduced from the pyramid with the drift angle larger than the drift angle in conical end portion.
According to this configuration, closed fixture is the closed fixture for original cellular formed body, by the end face opening of the separate multiple through holes of partition wall at cylinder in described honeycomb formed article, and honeycomb formed article is when being become honeycomb structured body by during calcining, and in this honeycomb structured body, multiple hole is at the end face opening of cylinder.Closed fixture comprises: multiple closed projection, be configured in the position of the part corresponding to multiple through hole, and be inserted in a part for through hole, so that partition wall is fused with one another so that closed through hole, wherein each closed projection comprises: conical end portion, be positioned at the terminal part of closed projection and there is cone shape, and pyramid base portion, be positioned at the base portion of closed projection, and there is truncated pyramid shape, this truncated pyramid shape obtains by removing the pyramid similarly reduced from the pyramid with the drift angle larger than the drift angle in conical end portion.Conical end portion has the cone shape with sharp drift angle, and when therefore even there is position skew a little in the through hole of original cellular formed body, to be also easily inserted in each through hole in conical end portion.In addition, pyramid base portion has by removing the pyramid similarly reduced from the pyramid with the drift angle larger than the drift angle in conical end portion and the truncated pyramid shape obtained, and therefore by the pressing of its side and expansion partition wall, make to become easier by fused with one another for partition wall.Thus, original cellular formed body can be closed in a relatively efficient manner.
In this case, each side of pyramid base portion can be rounded with predetermined curvature.
According to this configuration, each side of pyramid base portion is rounded with predetermined curvature.Thus, due to the side of pyramid base portion, make it possible to prevent the partition wall of original cellular formed body to be cut.The closed projection vibrated when utilizing ultrasonic wave is inserted in through hole, when side is rounded, partition wall can be effectively prevented to be cut.
In addition, the valley between the pyramid base portion of closed projection adjacent one another are can be rounded with predetermined curvature.
According to this configuration, because the valley between the pyramid base portion of closed projection adjacent one another are is rounded with predetermined curvature, so rounded by the end of closed projection partition wall fused with one another.Thus, therefore the end of partition wall by reliably fused with one another, and prevents the omission of closed aspect.In addition, when using honeycomb structured body as diesel particulate filter, in exhaust supply side and/or the turbulent flow that exhaust stream unlikely occurs in the end of exhaust emissions side, and therefore, it is possible to the pressure loss is reduced.
In addition, closed projection can be inserted in a part for through hole, so that partition wall is fused with one another so that closed through hole while utilizing ultrasonic wave to vibrate.
According to this configuration, close projection and to be inserted in a part for through hole so that partition wall is fused with one another so that closed through hole while utilizing ultrasonic wave to vibrate.When the closed projection vibrated when utilizing ultrasonic wave is inserted in through hole, partition wall liquefies.Thus, in finished surface, unlikely fluffing etc. occurs, and finished surface becomes satisfactory.As a result, the end of partition wall by reliably fused with one another, and therefore, it is possible to prevents the omission of closed aspect.In addition, the end of partition wall fused with one another becomes smooth ends.Thus, when using honeycomb structured body as diesel particulate filter, in exhaust supply side and/or the turbulent flow that exhaust stream unlikely occurs in the end of exhaust emissions side, and therefore, it is possible to reduce the pressure loss.
In addition, closed projection can be configured in the position corresponding to six through holes, described six through holes are adjacent with the periphery of a described through hole while using the through hole of in multiple through holes with hexagonal shape as center, and pyramid base portion can have butt triangular pyramid shape, this butt triangular pyramid shape obtains by removing the triangular pyramid similarly reduced from the triangular pyramid with the drift angle larger than the drift angle in conical end portion, and the side of pyramid base portion can contact with partition wall.
According to this configuration, closed projection is configured in the position corresponding to six through holes, and described six through holes are adjacent with the periphery of a described through hole while using the through hole of in multiple through holes with hexagonal shape as center.In addition, pyramid base portion can have butt triangular pyramid shape, this butt triangular pyramid shape obtains by removing the triangular pyramid similarly reduced from the triangular pyramid with the drift angle larger than the drift angle in conical end portion, and the side of pyramid base portion contacts with partition wall.Thus, closed projection is inserted in six through holes adjacent with the periphery of a described through hole while using a through hole as center.In addition, the through hole being arranged in the center of six through holes is pressed by the side of the pyramid base portion of inserted closed projection, and by fused with one another for partition wall with blocked center through hole.Thus, such as, when using honeycomb structured body as diesel particulate filter, can perform closed efficiently at exhaust supply side.
In addition, closed projection can be configured in the position corresponding to four through holes, four through holes are adjacent with the periphery of a described through hole while using the through hole of in multiple through holes with rectangular shape as center, wherein be inserted with the described partition wall on each limit of separating a described rectangular through-hole between which, and pyramid base portion can have butt rectangular pyramid shape, this butt rectangular pyramid shape obtains by removing the rectangular pyramid similarly reduced from the rectangular pyramid with the drift angle larger than the drift angle in conical end portion, and the side of pyramid base portion can contact with partition wall.
According to this configuration, closed projection is configured in the position corresponding to four through holes, four through holes are adjacent with the periphery of a described through hole while using the through hole of in multiple through holes with rectangular shape as center, are wherein inserted with the described partition wall on each limit of separating a described rectangular through-hole between which.Pyramid base portion has butt rectangular pyramid shape, this butt rectangular pyramid shape obtains by removing the rectangular pyramid similarly reduced from the rectangular pyramid with the drift angle larger than the drift angle in conical end portion, and the side of pyramid base portion contacts with partition wall.Thus, closed projection is inserted in four through holes adjacent with the periphery of a described through hole while using one with rectangular shape through hole as center, is wherein inserted with the partition wall on each limit of a separation through hole between which.In addition, the through hole being arranged in the center of four through holes is pressed by the side of the pyramid base portion of inserted closed projection, and partition wall is fused with one another, and therefore blocked center through hole.In this case, such as when the through hole do not closed an end at original cellular formed body is closed in another end, such as when using honeycomb structured body as diesel particulate filter, can perform closed efficiently at exhaust supply side and exhaust emissions side.
In addition, according to another implementation of the invention, provide a kind of manufacture method of honeycomb structured body, in described honeycomb structured body, multiple hole is at cylindrical end face opening.The method comprises the closed step multiple closed projection of closed fixture be inserted in a part for multiple through holes of original cellular formed body, wherein by the end face opening of the separate multiple through holes of partition wall at cylinder, and original cellular formed body is when being become honeycomb structured body, so that partition wall is fused with one another so that closed through hole by during calcining.In closed step, by using closed fixture to carry out closed through hole, closing in fixture, closed projection is configured in the position of the part corresponding to multiple through hole, and each closed projection comprises: conical end portion, is positioned at the terminal part of closed projection and has cone shape; And pyramid base portion, be positioned at the base portion of closed projection, and have truncated pyramid shape, this truncated pyramid shape obtains by removing the pyramid similarly reduced from the pyramid with the drift angle larger than the drift angle in conical end portion.
In this case, in closed step, through hole can by using closed fixture to close, and in closed fixture, each side of pyramid base portion is rounded with predetermined curvature.
In addition, in closed step, through hole can by using closed fixture to close, and in closed fixture, the valley between the pyramid base portion of closed projection adjacent one another are is rounded with predetermined curvature.
In addition, in closed step, closed projection can be inserted in a part for through hole, so that partition wall is fused with one another so that closed through hole while utilizing ultrasonic wave to vibrate.
In addition, in closed step, closed through hole can be carried out by using closed fixture, in described closed fixture, closed projection is configured in the position corresponding to six through holes, described six through holes are adjacent with the periphery of a described through hole while using the through hole of in multiple through holes with hexagonal shape as center, pyramid base portion can have butt triangular pyramid shape, this butt triangular pyramid shape obtains by removing the triangular pyramid similarly reduced from the triangular pyramid with the drift angle larger than the drift angle in conical end portion, and the side of pyramid base portion can contact with partition wall.
In addition, in closed step, closed through hole can be carried out by using closed fixture, in described closed fixture, closed projection is configured in the position corresponding to four through holes, described four through holes are adjacent with the periphery of a described through hole while using the through hole of in multiple through holes with rectangular shape as center, wherein be inserted with the partition wall on each limit of a separation rectangular through-hole between which, pyramid base portion can have butt rectangular pyramid shape, this butt rectangular pyramid shape obtains by removing the rectangular pyramid similarly reduced from the rectangular pyramid with the drift angle larger than the drift angle in conical end portion, and the side of pyramid base portion can contact with partition wall.
The advantageous effects of invention
According to embodiment of the present invention for the closed fixture of original cellular formed body and the manufacture method of honeycomb structured body, make to be inserted in through hole and become easy, and original cellular formed body can be closed in a relatively efficient manner.
Accompanying drawing explanation
Fig. 1 (a) is for having the stereogram of the original cellular formed body of the regular hexagon honeycomb before closing, and the partial enlarged drawing that Fig. 1 (b) is Fig. 1 (a).
Fig. 2 is example configurations is the stereogram of cutting according to the equipment of the original cellular formed body of the first embodiment.
Fig. 3 is example configurations is close the stereogram according to the equipment of the original cellular formed body of the first embodiment.
Fig. 4 is the partial sectional view with the closed fixture for entrance side of the original cellular formed body of regular hexagon honeycomb according to the first embodiment.
Fig. 5 is the amplification stereogram of the part A in Fig. 4.
Fig. 6 is the amplification plan view of the part A in Fig. 4.
Fig. 7 is the amplification view of the part A in Fig. 4.
Fig. 8 is the amplification plan view corresponding to a part of the part A in Fig. 4 with the closed fixture for outlet side of the original cellular formed body of regular hexagon honeycomb according to the first embodiment.
Fig. 9 illustrates the side view of cutting according to the step of the original cellular formed body of the first embodiment.
Figure 10 illustrates the partial sectional view with the original state of the step of the entrance side of the original cellular formed body of regular hexagon honeycomb closed according to the first embodiment.
Figure 11 is the sectional view cut open along the line XI-XI of Figure 10.
Figure 12 is the partial sectional view of the intermediateness of the closed step illustrated in Figure 10.
Figure 13 is the sectional view cut open along the line XIII-XIII of Figure 12.
Figure 14 is the partial sectional view of the end-state of the closed step illustrated in Figure 10.
Figure 15 is the sectional view cut open along the line XV-XV of Figure 14.
Figure 16 illustrates the partial sectional view with the original state of the step of the outlet side of the original cellular formed body of regular hexagon honeycomb closed according to the first embodiment.
Figure 17 is the sectional view cut open along the line XVIII-XVIII of Figure 16.
Figure 18 is the partial sectional view of the intermediateness of the closed step illustrated in Figure 16.
Figure 19 is the sectional view cut open along the line XIX-XIX of Figure 18.
Figure 20 is the partial sectional view of the end-state of the closed step illustrated in Figure 16.
Figure 21 is the sectional view cut open along the line XXI-XXI of Figure 20.
Figure 22 (a) is for having the stereogram of the original cellular formed body of the square honeycomb before closing, and the partial enlarged drawing that Figure 22 (b) is Figure 22 (a).
Figure 23 is for the amplification stereogram corresponding to a part of the part A in Fig. 4 with the closed fixture of the original cellular formed body of square honeycomb according to the second embodiment.
Figure 24 is for the amplification plan view corresponding to a part of the part A in Fig. 4 with the closed fixture of the original cellular formed body of square honeycomb according to the second embodiment.
Figure 25 illustrates the partial sectional view with the original state of the step of the original cellular formed body of square honeycomb closed according to the second embodiment.
Figure 26 is the sectional view cut open along the line XXVI-XXVI of Figure 25.
Figure 27 is the partial sectional view of the intermediateness of the closed step illustrated in Figure 25.
Figure 28 is the sectional view cut open along the line XXVIII-XXVIII of Figure 27.
Figure 29 is the partial sectional view of the end-state of the closed step illustrated in Figure 25.
Figure 30 is the sectional view cut open along the line XXX-XXX of Figure 29.
Figure 31 illustrates the partial sectional view closed according to the original state of the step of the original cellular formed body of the 3rd embodiment.
Figure 32 is the partial sectional view of the intermediateness of the closed step illustrated in Figure 31.
Figure 33 is the partial sectional view of the end-state of the closed step illustrated in Figure 31.
Figure 34 is the partial sectional view of the closed fixture for the original cellular formed body according to the 4th embodiment, and exemplified with accommodating the state of closed projection.
Figure 35 is the partial sectional view of the closed fixture for the original cellular formed body according to the 4th embodiment, and exemplified with making the state that closed projection is outstanding.
Figure 36 illustrates the partial sectional view of cutting according to the original state of the step of the original cellular formed body of the 4th embodiment.
Figure 37 is the partial sectional view of the intermediateness of the cutting step illustrated in Figure 36.
Figure 38 illustrates the partial sectional view closed according to the original state of the step of the original cellular formed body of the 4th embodiment.
Figure 39 is the partial sectional view of the intermediateness of the closed step illustrated in Figure 38.
Figure 40 is the partial sectional view illustrating the state that the closed step in Figure 39 is in progress further.
Detailed description of the invention
Hereinafter, embodiments of the present invention are described in detail with reference to accompanying drawing.
[first embodiment]
(original cellular formed body (regular hexagon honeycomb))
First, the original cellular formed body of object to be processed in first embodiment of the invention will be described.As shown in Fig. 1 (a), such as original cellular formed body 70 is according to the present embodiment cylinders, and it has upper surface 71a, lower surface 71b and side 71c.Be multiple through holes with regular hexagon shape as regular hexagon honeycomb 70h, be configured in an essentially parallel fashion in upper surface 71a and lower surface 71b.Original cellular formed body 70 is not sintered into body, and it becomes porous ceramics after standing follow-up calcining.In addition, the length of the bearing of trend along regular hexagon honeycomb 70h of original cellular formed body 70 is not particularly limited, and such as can be set as that 40 mm are to 350 mm.In addition, the external diameter of original cellular formed body 70 is also not particularly limited, and such as can be set as that 10 mm are to 320 mm.
Regular hexagon honeycomb 70h is separated by partition wall 70W, and the central axis of partition wall 70W and original cellular formed body 70 extends substantially in parallel.The thickness of partition wall 70W can be set as 0.8 below mm, 0.5 below mm, 0.1 more than mm, 0.2 more than mm.In addition, the outer shape of original cellular formed body 70 is not limited to cylinder, and can be cylindroid, prism (such as positive polygon prism, such as regular triangular prism, four-prism, positive six prisms and positive eight prisms, triangular prism, quadrangular, six prisms, eight prisms etc. except positive polygon prism) etc.But, in the present embodiment, by the situation that description honeycomb structured body 70 is made up of cylinder.In addition, in the present embodiment, exemplified with the original cellular formed body 70 of the regular hexagon honeycomb 70h had as regular hexagon through hole, but original cellular formed body 70 can have as having except regular hexagon shape or the honeycomb of the through hole of the hexagonal shape of other sizes.
Original cellular formed body 70 manufactures by using extrusion moulding machine extrusion molded ceramic mixture.In this case, in order to prepare ceramic mixture, and prepare as the inorganic compound source power of ceramic raw material, organic bond, solvent and the additive that adds as required.
Inorganic compound source power comprises aluminium source power and titanium source power.Inorganic compound source power can also comprise magnesium source power and/or silicon source power.The example of organic bond comprises cellulose, such as methylcellulose, carboxymethyl cellulose, hydroxyalky methyl celluloses and sodium carboxymethylcellulose; Alcohol is polyvinyl alcohol such as; And lignosulphonates.The example of additive comprises honeycomb forming agent, lubricant, plasticizer, dispersant and solvent.
Mixing and blending machine etc. is utilized to be mixed with each other by prepared raw material, to obtain mixture of raw material, and extrude obtained mixture of raw material by using extrusion moulding machine, described extrusion moulding machine has the exit opening of the cross sectional shape corresponding to partition wall 70W, to prepare original cellular formed body according to the present embodiment.
(ultrasonic cutting machine)
Hereinafter, the ultrasonic cutting machine of present embodiment will be described.As shown in Figure 2, the ultrasonic cutting machine 200 of present embodiment comprises ultrasonic signal transmitter 210, ultrasonic oscillator unit 220, loudspeaker unit 230, gripper shoe 235 and cutting blade 240.Ultrasonic signal transmitter 210 sends electric ultrasonic signal.The electric ultrasonic signal supplied from ultrasonic signal transmitter 210 is converted to mechanical ultrasonic vibration by ultrasonic oscillator unit 220.Loudspeaker unit 230 amplifies the amplitude of the ultrasonic wave vibration of supplying from ultrasonic oscillator unit 220.In the present embodiment, the multiple ultrasonic oscillator unit 220 being connected to ultrasonic signal transmitter 210 are connected with multiple loudspeaker unit 230 respectively.Multiple loudspeaker unit 230 is configured along the blade width of cutting blade 240 side by side by gripper shoe 235.Cutting blade 240 is vibrated by the ultrasonic wave supplied from loudspeaker unit 230 with the frequency vibration of about 20 kHz to 40 kHz.
When cutting blade 240 contacts with original cellular formed body 70, the contact site liquefaction of original cellular formed body 70, and therefore, it is possible to perform cutting with less processing capacity, the distortion of regular hexagon honeycomb 70h, burr etc. can not be caused.In addition, as required, the mechanism of the liquefied material of suction original cellular formed body 70 can be provided.
(ultrasonic wave closing machine)
Hereinafter, the ultrasonic wave closing machine of present embodiment will be described.As shown in Figure 3, the ultrasonic wave closing machine 300 of present embodiment comprises ultrasonic signal transmitter 310, ultrasonic oscillator unit 320, loudspeaker unit 330 and closed fixture 400.Identical with the situation of ultrasonic cutting machine 200, ultrasonic signal transmitter 310 sends electric ultrasonic signal.The electric ultrasonic signal supplied from ultrasonic signal transmitter 310 is converted to mechanical ultrasonic vibration by ultrasonic oscillator unit 320.Loudspeaker unit 330 amplifies the amplitude of the ultrasonic wave vibration of supplying from ultrasonic oscillator unit 220.Close fixture 400 to be vibrated by the ultrasonic wave supplied from loudspeaker unit 330 with the frequency vibration of about 20 kHz to 40 kHz.
(closing fixture)
Hereinafter, the closed fixture of present embodiment will be described.In the present embodiment, closing of regular hexagon honeycomb 70h is performed at two end faces of the original cellular formed body 70 with regular hexagon honeycomb 70h in mode different from each other.First, be configured to be enclosed in the closed fixture becoming the upper surface 71a of exhaust supply side (entrance side) when original cellular formed body 70 is calcined and is used as diesel particulate filter by describing.
As shown in Figure 4, the closed fixture 400 of present embodiment comprises the sealing surface 401a closed performing original cellular formed body 70 and the support socket 450 of assembling for the end of original cellular formed body 70.Sealing surface 401a is provided with multiple closed projection 410a, multiple closed projection 410a is configured in the position of the part corresponding to regular hexagon honeycomb 70h, and be inserted in a part of regular hexagon honeycomb 70h, with by fused with one another for partition wall 70w so that closed regular hexagon honeycomb 70h.Support socket 450 and be formed as cylindrical recess, it corresponds to the diameter of original cellular formed body 70 to be closed.The inner peripheral surface supporting socket 450 is formed with inclined plane 451, so that make the insertion of the end of original cellular formed body 70 easy.401a is far away for distance sealing surface, and the internal diameter supporting socket 450 is wider.
As be exaggerated the part A in Fig. 4 Fig. 5 to Fig. 7 shown in, each closed projection 410a comprises triangular pyramid base portion 411 and conical end portion 412.Triangular pyramid base portion 411 is positioned at the base portion of closed projection 410a and gives prominence to from sealing surface 401a.Triangular pyramid base portion 411 has butt triangular pyramid shape, and this butt triangular pyramid shape obtains by removing the triangular pyramid similarly reduced from the triangular pyramid with the drift angle larger than the drift angle in conical end portion 412.Conical end portion 412 is terminal parts of closed projection 410a, and is positioned at the upside of triangular pyramid base portion 411.Conical end portion 412 has cone shape, and this cone shape has the lower surface of the size with the upper surface corresponding to triangular pyramid base portion 411.The drift angle in conical end portion 412 is less than the drift angle realized by the side of the butt triangular pyramid as triangular pyramid base portion 411.
Triangular pyramid base portion 411 comprises the rounding side portion 415 of the triangular pyramid side surface part 413 as the side of butt triangular pyramid and the side as butt triangular pyramid.At rounding side portion 415 place, each side of butt triangular pyramid is rounded with predetermined curvature.In addition, the valley between the triangular pyramid base portion 411 of closed projection 410a adjacent one another are comprises as with the rounding valley 414 of the rounded recess of predetermined curvature.
As shown in Figure 6, in closed projection 410a, the apex configuration in conical end portion 412 is in the position corresponding to six regular hexagon honeycomb 70h, six regular hexagon honeycomb 70h are while using a regular hexagon honeycomb 70h in multiple regular hexagon honeycomb 70h of original cellular formed body 70 as center, adjacent with the periphery of a described regular hexagon honeycomb 70h.In addition, close the direction that projection 410a contacts along the rounding side portion 415 of triangular pyramid base portion 411 with partition wall 70W to configure.The size of triangular pyramid base portion 411 sets by this way: the length obtained by rounding side portion 415 being projected to directly over sealing surface 401a sealing surface 401a is equal to or slightly less than the length between the opposite side of each regular hexagon honeycomb 70h of original cellular formed body 70.
On the other hand, be configured to be enclosed in the closed fixture 400 becoming exhaust emissions side (outlet side) lower surface 71b when original cellular formed body 70 is calcined and is used as diesel particulate filter by describing.As shown in Figure 8, the sealing surface 401b being configured to closed lower surface 71b is provided with conical closed projection 410b.Close projection 410b and comprise conical sides face 422.Identical with the situation of sealing surface 401a, the valley between closed projection 410b adjacent one another are comprises as with the rounding valley 414 of the rounded recess of predetermined curvature.
As shown in Figure 8, in closed projection 410b, the position of the regular hexagon honeycomb 70h by adjacent one another are six regular hexagon honeycomb 70hs being surrounded of its each apex configuration in the multiple regular hexagon honeycomb 70h corresponding to original cellular formed body 70.The regular hexagon honeycomb 70h being positioned at the position corresponding with each closed projection 410b is the regular hexagon honeycomb 70h surrounded by six adjacent regular hexagon honeycomb 70h, closes projection 410a corresponding with it at upper surface 71a place.
Thus, at upper surface 71a place, close projection 410a and be inserted in six regular hexagon honeycomb 70h adjacent with the periphery of a regular hexagon honeycomb 70h while using a regular hexagon honeycomb 70h as center.At lower surface 71b place, close projection 410b and be inserted in the regular hexagon honeycomb 70h surrounded by adjacent six regular hexagon honeycomb 70h, close projection 410a at upper surface 71a place and be inserted in described six regular hexagon honeycomb 70h.Close the size of projection 410b to set by this way: the radius closing the lower surface of projection 410b is equal to or slightly less than the length between the opposite side of the regular hexagon honeycomb 70h of original cellular formed body 70.
(cutting step)
Hereinafter, the step of the cutting original cellular formed body 70 of present embodiment will be described.As shown in Figure 9, original cellular formed body 70 according to the present embodiment extrudes by the extrusion moulding machine 100 of the exit opening from the cross sectional shape had corresponding to partition wall 70W the mixture of raw material prepared as mentioned above and prepares.
When original cellular formed body 70 has been extruded predetermined length, flexible stand 120 such as sponge has just been utilized to support extruded original cellular formed body 70.The each stand 120 supporting original cellular formed body 70 is carried on roller conveyor 140 successively along the direction of extruding original cellular formed body 70.By using the cutting blade 240 utilizing the ultrasonic wave of ultrasonic cutting machine 200 to vibrate, the original cellular formed body 70 carried with predetermined length cutting, to make original cellular formed body 70, there is upper surface 71a perpendicular to side 71c and lower surface 71b.
(closing step)
Hereinafter, the step of the closed original cellular formed body 70 of present embodiment will be described.First, will describe the step closing upper surface 71a, when original cellular formed body 70 is calcined and is used as diesel particulate filter, upper surface 71a becomes exhaust supply side (entrance side).
As shown in Figure 10, the end of the upper surface 71a side of original cellular formed body 70 is inserted in the support socket 450 of the closed fixture 400 of ultrasonic wave closing machine 300.Close fixture 400 utilize the ultrasonic wave vibration from loudspeaker unit 330 and vibrate.The terminal part of the closed projection 410a of sealing surface 401a is inserted in a part of regular hexagon honeycomb 70h.As shown in figure 11, the conical end portion 412 of closed projection 410a is inserted in six regular hexagon honeycomb 70h adjacent with the periphery of this regular hexagon honeycomb 70h while using a regular hexagon honeycomb 70h as center.
As shown in figure 12, when closed projection 410a is inserted in regular hexagon honeycomb 70h further, as shown in figure 13, the triangular pyramid base portion 411 closing projection 410a is inserted in regular hexagon honeycomb 70h.The rounding side portion 415 of triangular pyramid base portion 411 contacts with partition wall 70W.Ultrasonic wave is utilized to vibrate and vibrate because close projection 410a, so partition wall 70W liquefies and is pressed, close projection 410a and the regular hexagon honeycomb 70h being positioned at the center of six the regular hexagon honeycomb 70h being inserted with closed projection 410a to close respectively not insert.
As shown in figure 14, when closed projection 410a is inserted in regular hexagon honeycomb 70h further, as shown in figure 15, the partition wall 70W be pressed from six direction while liquefaction due to the rounding side portion 415 of triangular pyramid base portion 411 and triangular pyramid side surface part 413 is by welding integratedly.The end of the partition wall 70W after welding realizes contacting with the rounding valley 414 of sealing surface 401a, and completes closed under the state rounded corresponding to the shape of rounding valley 414 of end.Thus, becoming the upper surface 71a place of exhaust supply side (entrance side), the regular hexagon honeycomb 70h surrounded by six regular hexagon honeycomb 70h adjacent with the periphery of a regular hexagon honeycomb 70h is enclosed.
Next, will describe the step closing lower surface 71b, when original cellular formed body 70 is calcined and is used as diesel particulate filter, lower surface 71b becomes exhaust emissions side (outlet side).As shown in figure 16, the support socket 450 of the closed fixture 400 of ultrasonic wave closing machine 300 is inserted in the end of the lower surface 71b side of original cellular formed body 70.Close fixture 400 utilize the ultrasonic wave vibration from loudspeaker unit 330 and vibrate.The terminal part of the closed projection 410b of sealing surface 401b is inserted in a part of regular hexagon honeycomb 70h.As shown in figure 17, each closed projection 410b is inserted in the hexagon honeycomb 70h surrounded by adjacent one another are six regular hexagon honeycomb 70h.As mentioned above, at lower surface 71b place, the regular hexagon honeycomb 70h inserted for closed projection 410b is the regular hexagon honeycomb 70h not inserting closed projection 410a at upper surface 71a.
As shown in figure 18, when closed projection 410b is inserted in regular hexagon honeycomb 70h further, as shown in figure 19, the conical sides face 422 closing projection 410b contacts with partition wall 70W.Closing projection 410b utilizes ultrasonic wave vibrate and vibrate, and therefore partition wall 70W liquefies and is pressed, close projection 410b and the regular hexagon honeycomb 70h being positioned at the center of the multiple regular hexagon honeycomb 70h being inserted with closed projection 410b to close not insert.
As shown in figure 20, when closed projection 410b is inserted in regular hexagon honeycomb 70h further, as shown in figure 21, due to the conical sides face 422 of closed projection 410b while liquefaction the partition wall 70W that is pressed by welding integratedly.The end of the partition wall 70W after welding realizes contacting with the rounding valley 414 of sealing surface 401b, and completes closed under the state rounded corresponding to the shape of rounding valley 414 of end.Thus, at the lower surface 71b place becoming exhaust emissions side (outlet side), enclose six the regular hexagon honeycomb 70hs adjacent with the periphery of the regular hexagon honeycomb 70h closed at upper surface 71a.
In addition, in the present embodiment, because use ultrasonic wave partly to the original cellular formed body 70 becoming honeycomb structured body upon calcination, so process original cellular formed body 70 under the state of original cellular formed body 70 local liquefaction.Thus, unlikely produce cutting surplus in periods such as cutting processing, and therefore, it is possible to improve yield rate.In addition, in finished surface, unlikely fluffing etc. occurs, and finished surface becomes satisfactory.
In addition, in the present embodiment, the cutting blade 240 making to utilize ultrasonic wave to vibrate with just contact from the original cellular formed body 70 after raw material extrusion molding, with at end cutting original cellular formed body 70.When the cutting blade 240 vibrated when utilizing ultrasonic wave contacts with original cellular formed body 70, original cellular formed body 70 liquefies.Thus, unlikely produce the cutting surplus with cutting, and therefore, it is possible to improve yield rate.In addition, in cutting surfaces, unlikely fluffing etc. occurs, and cutting surfaces becomes smooth.As a result, can prevent the honeycomb that the shape of regular hexagon honeycomb 70h is caved in from reversing.In addition, the cutting surfaces of the original cellular formed body 70 during cutting step can be set as upper surface 71a and lower surface 71b, they are end faces of the honeycomb structured body after calcining.In this case, the step of accurately cutting the original cellular formed body 70 utilizing the dryings such as microwave after being extruded from raw material as prior art can be omitted.
In addition, in the present embodiment, the closed fixture 400 vibrated utilizing ultrasonic wave is inserted into and is just cut into a part of multiple regular hexagon honeycomb 70h for the original cellular formed body 70 after having predetermined length from raw material extrusion molding, and therefore by fused with one another for partition wall 70W with closed regular hexagon honeycomb 70h.Original cellular formed body 70 is closed, and therefore can not occur, due to contraction that is dry or that calcine and cause, can see when original cellular formed body 70 is closed after being contracted in dry as the method for prior art or calcining by this.Result can prevent honeycomb from reversing.In addition, when being inserted in regular hexagon honeycomb 70h by the closed projection 410a utilizing ultrasonic wave to vibrate, partition wall 70W liquefies.Thus, in finished surface, unlikely fluffing etc. occurs, and finished surface becomes satisfactory.As a result, the end of partition wall 70W is reliably fused with one another, and therefore, it is possible to prevent the omission of closed aspect.In addition, by fused with one another for partition wall 70W with closed regular hexagon honeycomb 70h, and the closed cream as the method for prior art is not therefore needed.In addition, because by fused with one another for partition wall 70W with closed regular hexagon honeycomb 70h, therefore when honeycomb structured body is used as diesel particulate filter, unlikely occur in the turbulent flow of exhaust stream in the end of exhaust supply side, and therefore, it is possible to reduce the pressure loss.
In addition, in the present embodiment, be configured to close the closed fixture 400 becoming the original cellular formed body 70 of honeycomb structured body after calcining and comprise multiple closed projection 410a, multiple closed projection 410a is configured in the position of the part corresponding to multiple regular hexagon honeycomb 70h, and be inserted in a part of multiple regular hexagon honeycomb 70h, with by fused with one another for partition wall 70w, so that close regular hexagon honeycomb 70h.Each closed projection 410a comprises: conical end portion 412, is positioned at the terminal part of closed projection 410a and has cone shape; And triangular pyramid base portion 411, be positioned at the base portion place of closed projection 410a and have butt triangular pyramid shape, this butt triangular pyramid shape obtains by removing the triangular pyramid similarly reduced from the triangular pyramid with the drift angle larger than the drift angle in conical end portion 412.Conical end portion 412 has the cone shape with sharp drift angle, even and if when therefore there is the skew of slight position in the regular hexagon honeycomb 70h of original cellular formed body 70, also easily conical end portion 412 to be inserted in each regular hexagon honeycomb 70h.In addition, triangular pyramid base portion 411 has butt triangular pyramid shape, this butt triangular pyramid shape obtains by removing the triangular pyramid similarly reduced from the triangular pyramid with the drift angle larger than the drift angle in conical end portion 412, and therefore more easily by triangular pyramid side surface part 413 or the pressing of rounding side portion 415 place and expansion partition wall 70W and by fused with one another for partition wall 70w.Thus, original cellular formed body 70 can be closed in a relatively efficient manner.
In addition, in the present embodiment, each side of triangular pyramid base portion 411 is with the rounded rounding side portion 415 of predetermined curvature.Thus, due to the side of triangular pyramid base portion 411, the partition wall of original cellular formed body can be prevented to be cut.Special the closed projection 410a utilizing ultrasonic wave to vibrate is inserted in regular hexagon honeycomb 70h in the present embodiment, and therefore when opposite side rounding, can effectively prevent partition wall 70W to be cut.
In addition, in the present embodiment, the valley between the triangular pyramid base portion 411 of closed projection 410a adjacent one another are is with the rounded rounding valley 414 of predetermined curvature.Thus, rounded by the end of closed projection 410a partition wall 70W fused with one another, and therefore that the end of partition wall 70W is reliably fused with one another, and therefore prevent the omission of closed aspect.In addition, when using honeycomb structured body as diesel particulate filter, unlikely there is the turbulent flow of exhaust stream in the end of exhaust supply side, and therefore, it is possible to reduce the pressure loss.
In addition, in the present embodiment, closed projection 410a is configured in the position corresponding to six regular hexagon honeycomb 70h, these six regular hexagon honeycomb 70h are adjacent with the periphery of a described regular hexagon honeycomb 70h while using a regular hexagon honeycomb 70h in multiple regular hexagon honeycomb 70h with hexagonal shape as center, triangular pyramid base portion 411 has butt triangular pyramid shape, this butt triangular pyramid shape obtains by removing the triangular pyramid similarly reduced from the triangular pyramid with the drift angle larger than the drift angle in conical end portion 412, and the rounding side portion 415 of triangular pyramid base portion 411 contacts with partition wall 70W.Thus, close projection 410a to be inserted in six regular hexagon honeycomb 70h adjacent with the periphery of this regular hexagon honeycomb 70h while using a regular hexagon honeycomb 70h as center.In addition, the regular hexagon honeycomb 70h being arranged in the center of six regular hexagon honeycomb 70h is pressed by the rounding side portion 415 of the triangular pyramid base portion 411 of inserted closed projection 410a, and by fused with one another for partition wall 70W with blocked center regular hexagon honeycomb 70h.Thus, such as, when using honeycomb structured body as diesel particulate filter, closing of exhaust supply side can be performed efficiently.
[the second embodiment]
(original cellular formed body (square honeycomb))
Hereinafter, the second embodiment of the present invention will be described.First, the original cellular formed body as the object to be processed in second embodiment of the invention will be described.As shown in Figure 22 (a) He Figure 22 (b), such as, original cellular formed body 70 is according to the present embodiment cylinders, and it has upper surface 71a, lower surface 71b and side 71c.Be configured in an essentially parallel fashion in upper surface 71a and lower surface 71b as multiple square honeycomb 70s with the through hole of square shape.Original cellular formed body 70 is not sintered into body, and it becomes porous ceramics after standing subsequent calcination.Structure except square honeycomb 70s or manufacture method identical with in the original cellular formed body 70 with regular hexagon honeycomb 70h.Square honeycomb 70s is separated by partition wall 70w.The thickness of partition wall 70w such as can be set as that 0.15 mm is to 0.76 mm.The size of the side of square honeycomb 70s such as can be set as that 0.8 mm is to 2.5 mm.
(closing fixture)
Hereinafter, the closed fixture of present embodiment will be described.In the present embodiment, closing of square honeycomb 70s is performed in an identical manner at two end faces of the original cellular formed body 70 with square honeycomb 70s.First, will describe the closed fixture being configured to closed upper surface 71a, when original cellular formed body 70 is calcined and is used as diesel particulate filter, upper surface 71a becomes exhaust supply side (entrance side).
As being exaggerated shown in Figure 23 and Figure 24 corresponding to a part of the part A in Fig. 4, the closed fixture 400 of present embodiment comprises closed projection 410c at the sealing surface 401c of the closed fixture 40 identical with the first embodiment.Each closed projection 410c comprises rectangular pyramid shape base portion 416 and conical end portion 412.Rectangular pyramid shape base portion 416 is positioned at the base portion place of closed projection 410c and gives prominence to from sealing surface 401c.Rectangular pyramid shape base portion 416 has butt rectangular pyramid shape, and this butt rectangular pyramid shape obtains by removing the rectangular pyramid similarly reduced from the rectangular pyramid with the drift angle larger than the drift angle in conical end portion 412.At the terminal part place of closed projection 410c, conical end portion 412 is positioned at the upside of rectangular pyramid shape base portion 416.Conical end portion 412 has cone shape, and this cone shape has the lower surface of the size with the upper surface corresponding to rectangular pyramid shape base portion 416.The drift angle in conical end portion 412 is less than the drift angle realized by the side of the butt rectangular pyramid as rectangular pyramid shape base portion 416.
Rectangular pyramid shape base portion 416 comprises the rounding side portion 415 of the rectangular pyramid side surface part 417 as the side of butt rectangular pyramid and the side as butt triangular pyramid.In rounding side portion 415, each side of butt rectangular pyramid is rounded with predetermined curvature.In addition, the valley between the rectangular pyramid shape base portion 416 of closed projection 410c adjacent one another are comprises as with the rounding valley 414 of the rounded recess of predetermined curvature.
As shown in figure 24, in closed projection 410c, the apex configuration in conical end portion 412 is in the position corresponding to four square honeycomb 70s, four square honeycomb 70s are adjacent with the periphery of this square honeycomb 70s while using a square honeycomb 70s in the multiple square honeycomb 70s of original cellular formed body 70 as center, are wherein inserted with the partition wall 70w on each limit of the square honeycomb 70s of separation one between which.In addition, close the direction that projection 410c contacts along the rounding side portion 415 of rectangular pyramid shape base portion 416 with partition wall 70w to configure.The size of rectangular pyramid shape base portion 416 sets by this way: the length between the opposite side being equal to or slightly less than each square honeycomb 70s of original cellular formed body 70 by rounding side portion 415 being projected to directly over sealing surface 401c the length that sealing surface 401c obtains.
In addition, the closed fixture 400 becoming the lower surface 71b of exhaust emissions side (outlet side) when original cellular formed body 70 is calcined and is used as diesel particulate filter is enclosed in as being configured to, and use the closed fixture 400 with sealing surface 401c, in sealing surface 401c, close projection 410c and be arranged on the position corresponded to except the square honeycomb 70s except the square honeycomb 70s that upper surface 71a is corresponding with closed projection 410c.
(closing step)
Hereinafter, the step of the closed original cellular formed body 70 of present embodiment will be described.Performing with after cutting step identical in the first embodiment, perform closing of original cellular formed body 70.First, will describe the step closing upper surface 71a, when original cellular formed body 70 is calcined and is used as diesel particulate filter, upper surface 71a becomes exhaust supply side (entrance side).
As shown in figure 25, the end of the upper surface 71a side of original cellular formed body 70 is inserted in the support socket 450 of the closed fixture 400 of ultrasonic wave closing machine 300.Close fixture 400 utilize the ultrasonic wave vibration from loudspeaker unit 330 and vibrate.The terminal part of the closed projection 410c of sealing surface 401c is inserted in a part of square honeycomb 70s.As shown in figure 26, close the conical end portion 412 of projection 401c to be inserted in four square honeycomb 70s adjacent with the periphery of this square honeycomb 70s while using a square honeycomb 70s as center, be wherein inserted with the partition wall 70w on each limit of the square honeycomb 70s of separation one between which.
As shown in figure 27, when closed projection 410c is further in the square honeycomb 70s of insertion, as shown in figure 28, the rectangular pyramid shape base portion 416 closing projection 410c is inserted in square honeycomb 70s.The rounding side portion 415 of rectangular pyramid shape base portion 416 contacts with partition wall 70w.Ultrasonic wave is utilized to vibrate and vibrate because close projection 410c, so partition wall 70w liquefies and is pressed, close projection 410c and the square honeycomb 70s being positioned at the center of four the square honeycomb 70s being inserted with closed projection 410c to close respectively not insert.
As shown in figure 29, when closed projection 410c is inserted in square honeycomb 70s further, as shown in figure 30, the partition wall 70w be pressed from four direction while liquefaction due to the rounding side portion 415 of rectangular pyramid shape base portion 416 and rectangular pyramid side surface part 417 is by welding integratedly.The end of the partition wall 70w after welding contacts with the rounding valley 414 of sealing surface 401c, and completes closed under end corresponds to the rounded state of the shape of rounding valley 414.Thus, becoming the upper surface 71a place of exhaust supply side (entrance side), enclose the square honeycomb 70s surrounded by four square honeycomb 70s adjacent with the periphery of a square honeycomb 70s, be wherein inserted with the partition wall 70w on each limit of the square honeycomb 70s of separation one between which.
On the other hand, about being enclosed in the step becoming the upper surface 71b of exhaust emissions side (outlet side) when original cellular formed body 70 is calcined and is used as diesel particulate filter, the closed fixture 400 that use as described above has sealing surface 401c is closed to perform, and wherein closes projection 410c and is configured in the position corresponded to except the square honeycomb 70s except the square honeycomb 70s that upper surface 71a is corresponding with closed projection 410c.Thus, the square honeycomb 70s except lower surface 71b closes except closing at upper surface 71a square honeycomb 70s.
According to the present embodiment, closed projection 410c is configured in the position corresponding to four square honeycomb 70s, four square honeycomb 70s are while using the square honeycomb 70s of in the multiple square honeycomb 70s with square shape as center, adjacent with the periphery of this square honeycomb 70s, be wherein inserted with the partition wall 70w on each limit of a separation square honeycomb between which.Rectangular pyramid shape base portion 416 has butt rectangular pyramid shape, this butt rectangular pyramid shape obtains by removing the rectangular pyramid similarly reduced from the rectangular pyramid with the drift angle larger than the drift angle in conical end portion 412, and rounding side portion 415 contacts with partition wall 70w.Thus, close projection 410c to be inserted in four square honeycomb 70s adjacent with the periphery of this square honeycomb 70s while using a square honeycomb 70s as center, be wherein inserted with the partition wall 70w on each limit of separating described square honeycomb 70s between which.In addition, the square honeycomb 70s being arranged in the center of four square honeycomb 70s is pressed by the rounding side portion 415 of the rectangular pyramid shape base portion 416 of inserted closed projection 410c, and by fused with one another for partition wall 70w, and therefore blocked center square honeycomb 70s.In this case, such as, when the square honeycomb 70s do not closed an end at original cellular formed body 70 is at another end-enclosed, such as when using honeycomb structured body as diesel particulate filter, can perform closed efficiently at exhaust supply side and exhaust emissions side.In addition, because the sealing surface 401a closing fixture 400 is mechanically parallel mutually with sealing surface 401b, and the sealing surface 401a of closed fixture 400 and sealing surface 401b is set to the normal position of the square honeycomb 70s corresponded in upper surface 71a and lower surface 71b, so perform the correction of the distortion occurred during pressing steps or cutting step recited above and close simultaneously.
[the 3rd embodiment]
Hereinafter, the 3rd embodiment of the present invention will be described.As shown in figure 31, in the present embodiment, synchronous closing has the upper surface 71a of the original cellular formed body 70 of regular hexagon honeycomb 70h and the regular hexagon honeycomb 70h of lower surface 71b.About being subject to the original cellular formed body 70 with cutting step identical in the first embodiment, identical with the situation of the first embodiment, the closed fixture 400 with sealing surface 401a is contacted with upper surface 71a, and the closed fixture 400 with sealing surface 401b is contacted with lower surface 71b.Then, as shown in Figure 32 and Figure 33, closed step is performed in the mode identical with the first embodiment.Thus, in the mode identical with the first embodiment, perform at upper surface 71a and lower surface 71b and close.
According to the present embodiment, in closed step, close the regular hexagon honeycomb 70h in the upper surface 71a of original cellular formed body 70 and lower surface 71b simultaneously.Thus, as compared to for each method closing separately regular hexagon honeycomb 70h of upper surface 71a and lower surface 71b, closing of regular hexagon honeycomb 70h can be performed in a more efficient manner.
In addition, do not need similar to present embodiment by using ultrasonic wave closing machine 300 to carry out closed upper surface 71a and lower surface 71b, and can only in the side of upper surface 71a and lower surface 71b, welding partition wall 70W is carried out, with closed regular hexagon honeycomb 70h by using ultrasonic wave closing machine 300.
[the 4th embodiment]
(closing fixture)
Hereinafter, the 4th embodiment of the present invention will be described.As shown in figs. 34 and 35, the closed fixture 400 ' of the lower surface 71b for original cellular formed body 70 according to the present embodiment optionally can change closed projection 410b and is contained in the state that the state of the inner side of sealing surface 401b and closed projection 410b are projected into the outside of sealing surface 401b.Close projection 410b to configure in the mode identical with the first embodiment, and can the inner side of sealing surface 401b to be contained in the pore volume of the lower surface same diameter of closed projection 410b by having and to be projected into the outside of sealing surface 401b.Close the accommodation of projection 410b and give prominence to and can be performed by pneumatic mechanism or hydraulic mechanism.
In addition, holding under the state closing projection 410b, the rounding valley 414 identical with the first embodiment can be retained in sealing surface 401b, and does not need sealing surface 401b to be completely smooth.Configuration recited above is also the same for the closed fixture 400 ' of the upper surface 71a for original cellular formed body 70.
(cutting step)
Hereinafter, the step of the cutting original cellular formed body 70 of present embodiment will be described.As shown in figure 36, utilize the sealing surface 401b closing fixture 400 ' support just by extrusion moulding machine 100 from raw material along direction extrusion molding straight down after the lower surface 71b with the original cellular formed body 70 of regular hexagon honeycomb 70h.Now, the state that fixture 400 ' is in the inner side closed projection 410b being contained in sealing surface 401b is closed.Next, as shown in figure 37, under the state that original cellular formed body 70 is supported by closed fixture 400 ', the cutting blade 240 of ultrasonic cutting machine 200 is utilized to cut original cellular formed body 70.
(closing step)
Next, the step of the closed original cellular formed body 70 of present embodiment will be described.As shown in Figure 38 and Figure 39, the upper surface 71a cut during utilizing the sealing surface 401a closing fixture 400 ' to be supported on cutting step.Now, the state that fixture 400 ' is in the inner side closed projection 410a being contained in sealing surface 401a is closed.
Next, as shown in figure 40, when entering closed projection 410a and closed projection 410b respectively from the state that the sealing surface 401a of closed fixture 400 ' and sealing surface 401b gives prominence to, and when closed projection 410a and closed projection 410b is inserted in a part of regular hexagon honeycomb 70h, perform closing of regular hexagon honeycomb 70h in the mode identical with the first embodiment.
In addition, do not need similar to present embodiment by using ultrasonic wave closing machine 300 to carry out closed upper surface 71a and lower surface 71b, and only can carry out welding partition wall 70W, with closed regular hexagon honeycomb 70h in the side of upper surface 71a and lower surface 71b by use ultrasonic wave closing machine 300.In this case, at upper surface 71a, can close by using the closed fixture 400 ' with sealing surface 401a to perform, and at lower surface 71b, by using closed material same as the prior art, can perform about the regular hexagon honeycomb 70h not having at upper surface 71a place to close and closing.Alternatively, at lower surface 71b, can close by using the closed fixture 400 ' with sealing surface 401b to perform, and at upper surface 71a, by using closed material same as the prior art, can perform about the regular hexagon honeycomb 70h not having at lower surface 71b place to close and closing.
When the diameter of original cellular formed body 70 increases, when from raw material along horizontal direction extrusion molding original cellular formed body 70, due to the bending increase that gravity produces, and original cellular formed body 70 therefore may be difficult to be supported on the 71c of side.But, according to the present embodiment, utilize close fixture 400 ' support just by extrusion moulding machine 100 from raw material along direction extrusion molding straight down after the lower surface 71b of original cellular formed body 70.Thus, even if having in larger-diameter original cellular formed body 70, also original cellular formed body 70 can be supported, and the bending of regular hexagon honeycomb 70h or distortion can not be caused.In addition, in follow-up closed step, closing the multiple closed projection 410a of fixture 400 ' and closed projection 410b is inserted into by a part of the regular hexagon honeycomb 70h of the original cellular formed body 70 supported, with by fused with one another for partition wall 70W, thus closes regular hexagon honeycomb 70h.Thereby, it is possible to perform the support of original cellular formed body 70 efficiently continuously and close.
In addition, according to the present embodiment, close fixture 400 ' optionally to change closed projection 410b and be contained in the state that the state of the inner side of sealing surface 401b and closed projection 410b are projected into the outside of sealing surface 401b.Under the state being contained in the inner side of sealing surface 401b at closed projection 410b, utilize the sealing surface 401b closing fixture 400 ' support just by extrusion moulding machine 100 from raw material along direction extrusion molding straight down after the lower surface 71b of original cellular formed body 70.Thus, even if having in larger-diameter original cellular formed body 70, also can support original cellular formed body 70 in more stable mode, and the bending of regular hexagon honeycomb 70h or distortion can not caused.In addition, in closed step, under the state being projected into the outside of sealing surface 401b at closed projection 410b, the closed projection 410b closing fixture 400 ' is inserted in a part of the regular hexagon honeycomb 70h in the lower surface 71b of original cellular formed body 70, with by fused with one another for partition wall 70W, thus close regular hexagon honeycomb 70h.Thereby, it is possible to while support original cellular formed body 70 welding partition wall 70W, thus close hexagon honeycomb 70h.
In addition, the invention is not restricted to embodiment recited above, but various change can be made.
Industrial applicibility
According to embodiment of the present invention for the closed fixture of original cellular formed body and the manufacture method of honeycomb structured body, make easily to be inserted in through hole, and original cellular formed body can be closed in a relatively efficient manner.
Description of reference numerals
70: original cellular formed body
71a: upper surface
71b: lower surface
71c: side
70h: regular hexagon honeycomb
70W: partition wall
70s: square honeycomb
70w: partition wall
100: extrusion moulding machine
120: stand
140: roller conveyor
200: ultrasonic cutting machine
210: ultrasonic signal transmitter
220: ultrasonic oscillator unit
230: loudspeaker unit
240: cutting blade
300: ultrasonic wave closing machine
310: ultrasonic signal transmitter
320: ultrasonic oscillator unit
330: loudspeaker unit
400: close fixture
400 ': close fixture
401a, 401b, 401c: sealing surface
410a, 410b, 410c: close projection
411: triangular pyramid base portion
412: conical end portion
413: triangular pyramid side surface part
414: rounding valley
415: rounding side portion
416: rectangular pyramid shape base portion
417: rectangular pyramid side surface part
422: conical sides face
450: support socket
451: inclined plane.

Claims (12)

1. the closed fixture for original cellular formed body, by the end face opening of the separate multiple through holes of partition wall at cylinder in described honeycomb formed article, and described honeycomb formed article is when being become honeycomb structured body by during calcining, in this honeycomb structured body, multiple hole is at the end face opening of described cylinder, it is characterized in that, comprising:
Multiple closed projection, is configured in the position of the part corresponding to multiple described through hole, and is inserted in a part for described through hole, with by fused with one another for described partition wall so that closed described through hole,
Wherein each described closed projection comprises:
Conical end portion, is positioned at the terminal part of described closed projection and has cone shape, and
Pyramid base portion, is positioned at the base portion of described closed projection, and has truncated pyramid shape, and this truncated pyramid shape obtains by removing the pyramid similarly reduced from the pyramid with the drift angle larger than the drift angle in described conical end portion.
2. the closed fixture for original cellular formed body according to claim 1,
Each side of wherein said pyramid base portion is by with predetermined curvature rounding.
3. the closed fixture for original cellular formed body according to claim 1 and 2,
Valley between the described pyramid base portion of described closed projection wherein adjacent one another are is by with predetermined curvature rounding.
4. the closed fixture for original cellular formed body according to claims 1 to 3 any one,
Wherein said closed projection is inserted in a part for described through hole, so that partition wall is fused with one another so that closed described through hole while utilizing ultrasonic wave to vibrate.
5. the closed fixture for original cellular formed body according to Claims 1-4 any one,
Wherein said closed projection is configured in the position corresponding to six through holes, and described six through holes are adjacent with the periphery of a described through hole while using the through hole of in multiple through holes with hexagonal shape as center, and
Described pyramid base portion has butt triangular pyramid shape, this butt triangular pyramid shape obtains by removing the triangular pyramid similarly reduced from the triangular pyramid with the drift angle larger than the drift angle in described conical end portion, and the side of described pyramid base portion contacts with described partition wall.
6. the closed fixture for original cellular formed body according to Claims 1-4 any one,
Wherein said closed projection is configured in the position corresponding to four through holes, described four through holes are adjacent with the periphery of a described through hole while using the through hole of in multiple through holes with rectangular shape as center, wherein be inserted with the described partition wall on each limit of separating a described rectangular through-hole between which, and
Described pyramid base portion has butt rectangular pyramid shape, this butt rectangular pyramid shape obtains by removing the rectangular pyramid similarly reduced from the rectangular pyramid with the drift angle larger than the drift angle in described conical end portion, and the side of described pyramid base portion contacts with described partition wall.
7. a manufacture method for honeycomb structured body, in described honeycomb structured body, multiple hole is at the end face opening of cylinder, it is characterized in that, described method comprises:
The multiple closed projection of closed fixture is inserted into the closed step in a part for multiple through holes of original cellular formed body, wherein by the end face opening of the separate described multiple through hole of partition wall at cylinder, and described original cellular formed body is when being become described honeycomb structured body by during calcining, with by fused with one another for described partition wall so that closed described through hole
Wherein in described closed step,
Closed described through hole is carried out by using described closed fixture, in described closed fixture, described closed projection is configured in the position of the part corresponding to described multiple through hole, and each described closed projection comprises: conical end portion, is positioned at the terminal part of described closed projection and has cone shape; And pyramid base portion, be positioned at the base portion of described closed projection, and have truncated pyramid shape, this truncated pyramid shape obtains by removing the pyramid similarly reduced from the pyramid with the drift angle larger than the drift angle in described conical end portion.
8. the manufacture method of honeycomb structured body according to claim 7,
Wherein in described closed step, by using described closed fixture to carry out closed described through hole, described in described closed fixture, each side of pyramid base portion is rounded with predetermined curvature.
9. the manufacture method of the honeycomb structured body according to claim 7 or 8,
Wherein in described closed step, by using described closed fixture to carry out closed described through hole, in described closed fixture, the valley between the described pyramid base portion of described closed projection adjacent one another are is rounded with predetermined curvature.
10. the manufacture method of the honeycomb structured body according to claim 7 to 9 any one,
Wherein in described closed step, described closed projection utilize ultrasonic wave vibrate while be inserted in a part for described through hole, with by fused with one another for described partition wall so that closed described through hole.
The manufacture method of 11. honeycomb structured bodies according to claim 7 to 10 any one,
Wherein in described closed step, closed described through hole is carried out by using described closed fixture, in described closed fixture, described closed projection is configured in the position corresponding to six through holes, described six through holes are adjacent with the periphery of a described through hole while using the through hole of in multiple through holes with hexagonal shape as center, described pyramid base portion has butt triangular pyramid shape, this butt triangular pyramid shape obtains by removing the triangular pyramid similarly reduced from the triangular pyramid with the drift angle larger than the drift angle in described conical end portion, and the side of described pyramid base portion contacts with described partition wall.
The manufacture method of 12. honeycomb structured bodies according to claim 7 to 10 any one,
Wherein in described closed step, closed described through hole is carried out by using described closed fixture, in described closed fixture, described closed projection is configured in the position corresponding to four through holes, described four through holes are adjacent with the periphery of a described through hole while using the through hole of in multiple through holes with rectangular shape as center, wherein be inserted with the described partition wall on each limit of separating a described rectangular through-hole between which, described pyramid base portion has butt rectangular pyramid shape, this butt rectangular pyramid shape obtains by removing the rectangular pyramid similarly reduced from the rectangular pyramid with the drift angle larger than the drift angle in described conical end portion, and the side of described pyramid base portion contacts with described partition wall.
CN201380053969.9A 2012-10-15 2013-10-07 Method for producing honeycomb structure and sealing jig for green honeycomb moulded article Pending CN104703767A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2012-228189 2012-10-15
JP2012228189 2012-10-15
PCT/JP2013/077261 WO2014061495A1 (en) 2012-10-15 2013-10-07 Method for producing honeycomb structure and sealing jig for green honeycomb moulded article

Publications (1)

Publication Number Publication Date
CN104703767A true CN104703767A (en) 2015-06-10

Family

ID=50488064

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201380053969.9A Pending CN104703767A (en) 2012-10-15 2013-10-07 Method for producing honeycomb structure and sealing jig for green honeycomb moulded article

Country Status (7)

Country Link
US (1) US9302409B2 (en)
EP (1) EP2907637B1 (en)
JP (1) JP5636524B2 (en)
KR (1) KR101569330B1 (en)
CN (1) CN104703767A (en)
MX (1) MX2015004706A (en)
WO (1) WO2014061495A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108436187A (en) * 2018-02-24 2018-08-24 大连理工大学 A kind of ultrasonic cutting of aluminum honeycomb and impact integral processing method
CN108686509A (en) * 2017-03-30 2018-10-23 日本碍子株式会社 Honeycomb structure
CN111923420A (en) * 2019-12-24 2020-11-13 中国航空工业集团公司北京航空精密机械研究所 Preparation method of composite material honeycomb silencing cap based on umbrella-shaped structure

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9302212B2 (en) * 2012-10-15 2016-04-05 Sumitomo Chemical Company, Limited Production method for honeycomb structure
MX2015004706A (en) 2012-10-15 2015-07-23 Sumitomo Chemical Co Method for producing honeycomb structure and sealing jig for green honeycomb moulded article.
JP6140554B2 (en) * 2013-06-28 2017-05-31 住友化学株式会社 Manufacturing method of honeycomb structure
USD783345S1 (en) * 2015-07-23 2017-04-11 Blaine Alan Dobbs Wine tap handle
US11311958B1 (en) * 2019-05-13 2022-04-26 Airgas, Inc. Digital welding and cutting efficiency analysis, process evaluation and response feedback system for process optimization

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030041575A1 (en) * 2001-08-28 2003-03-06 Mikio Ishihara Exhaust gas purifying filter and manufacturing method therefor
CN1497138A (en) * 2002-09-25 2004-05-19 �����Զ�����ʽ���� Substrate for waste gas purifying and manufacturing method thereof
JP2004322051A (en) * 2003-04-28 2004-11-18 Toyota Motor Corp Manufacturing method of base material of particulate filter
WO2005097446A1 (en) * 2004-04-07 2005-10-20 Liqtech A/S Method for forming organic bonded bodies using ultrasonic energy
US20060197252A1 (en) * 2005-03-01 2006-09-07 Denso Corporation Manufacturing method of exhaust gas purifying filter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3872384B2 (en) 2002-06-13 2007-01-24 トヨタ自動車株式会社 Exhaust gas purification filter catalyst
US7541085B2 (en) * 2005-07-14 2009-06-02 Burdon Robert L J Flexible construction element with large bonding surface area and method of manufacture
CN101247875A (en) * 2006-01-27 2008-08-20 揖斐电株式会社 Honeycomb structure, process for producing the same and exhaust gas purification apparatus
WO2009118813A1 (en) * 2008-03-24 2009-10-01 イビデン株式会社 Honeycomb structure and process for producing the same
MX2015004706A (en) 2012-10-15 2015-07-23 Sumitomo Chemical Co Method for producing honeycomb structure and sealing jig for green honeycomb moulded article.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030041575A1 (en) * 2001-08-28 2003-03-06 Mikio Ishihara Exhaust gas purifying filter and manufacturing method therefor
CN1497138A (en) * 2002-09-25 2004-05-19 �����Զ�����ʽ���� Substrate for waste gas purifying and manufacturing method thereof
JP2004322051A (en) * 2003-04-28 2004-11-18 Toyota Motor Corp Manufacturing method of base material of particulate filter
WO2005097446A1 (en) * 2004-04-07 2005-10-20 Liqtech A/S Method for forming organic bonded bodies using ultrasonic energy
US20060197252A1 (en) * 2005-03-01 2006-09-07 Denso Corporation Manufacturing method of exhaust gas purifying filter

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108686509A (en) * 2017-03-30 2018-10-23 日本碍子株式会社 Honeycomb structure
CN108686509B (en) * 2017-03-30 2021-12-14 日本碍子株式会社 Honeycomb structure
CN108436187A (en) * 2018-02-24 2018-08-24 大连理工大学 A kind of ultrasonic cutting of aluminum honeycomb and impact integral processing method
CN111923420A (en) * 2019-12-24 2020-11-13 中国航空工业集团公司北京航空精密机械研究所 Preparation method of composite material honeycomb silencing cap based on umbrella-shaped structure
CN111923420B (en) * 2019-12-24 2022-04-29 中国航空工业集团公司北京航空精密机械研究所 Preparation method of composite material honeycomb silencing cap based on umbrella-shaped structure

Also Published As

Publication number Publication date
US20150298349A1 (en) 2015-10-22
US9302409B2 (en) 2016-04-05
EP2907637A1 (en) 2015-08-19
JPWO2014061495A1 (en) 2016-09-05
JP5636524B2 (en) 2014-12-03
KR20150058564A (en) 2015-05-28
WO2014061495A1 (en) 2014-04-24
KR101569330B1 (en) 2015-11-13
MX2015004706A (en) 2015-07-23
EP2907637B1 (en) 2017-05-31
EP2907637A4 (en) 2016-05-25

Similar Documents

Publication Publication Date Title
CN104703767A (en) Method for producing honeycomb structure and sealing jig for green honeycomb moulded article
JP5677648B2 (en) Manufacturing method of honeycomb structure
CN104703766A (en) Production method for honeycomb structure
US9700820B2 (en) Method for producing honeycomb structures
US9782912B2 (en) Method for producing honeycomb structure, jig, and honeycomb structure
EP3015235A1 (en) Honeycomb structure manufacturing method and green honeycomb molding sealing jig
JP2014141062A (en) Method for producing honeycomb structure
JP2014141063A (en) Method for producing honeycomb structure, apparatus for working green honeycomb molding, and honeycomb structure
JP2015009441A (en) Method for producing honeycomb structure

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20150610